Home / 14,921.69-20,592.10-8,207.43

Finding the Fourth Proportional to 14,921.69, 20,592.10 and 8,207.43

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Solution

The fourth proportional to 14,921.69, 20,592.10 and 8,207.43 is: 11,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.69 : 20,592.10 = 8,207.43 : x
  2. Step 2: Convert to fraction form
    14,921.69/20,592.10 = 8,207.43/x
  3. Step 3: Cross multiply
    14,921.69x = 20,592.10 × 8,207.43
  4. Step 4: Simplify right side
    14,921.69x = 169,008,116.34
  5. Step 5: Solve for x
    x = 169,008,116.34/14,921.69
  6. Step 6: Final answer
    x = 11,326.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.